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Document |
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7451799 |
Self-locking device for blinds and shutters
Which has the following essential elements:
A drive shaft ( 1 ) joined to the rolling drum ( 23 ) of a blind ( 21 ), joined by means of a first freewheel mechanism ( 2 ) with a drive...
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7341129 |
Double-sided door braking equipment for a operator
This invention relates to a double-sided equipment for a braking system, comprising a first braking pad, a second braking pad, a braking component, a fixing spring component, a compression spring,...
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7108037 |
Lock mechanism for retractable awning
A device for preventing a roller mounted retractable awning from deploying comprising a mounting bracket adapted to secure the device to the support arm of an awning, a locking band configured to...
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6973952 |
Anti-reverse transmission apparatus and window blind using the same
An anti-reverse transmission for use in a window blind includes a fixed axle, a rotatable input shaft, an output shaft sleeved onto the fixed axle, a transmission shaft sleeved onto the output...
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6955207 |
Friction device for roll-up curtains and the like
A friction device ( 10 ), applied to roll-up curtains and the like, includes a tubular roller ( 1 ), on which the curtain ( 2 ) rolls up, and which is rotatably carried on a horizontal axis. The...
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6843302 |
Shade operator
An operator for a window or like shade serves to turn a shade roller to a new desired position as a result of a torque applied from a manually operable source, such as a chain operated wheel. The...
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6530717 |
Mechanism for locking roll up curtains and the like
In a mechanism for locking curtains and the like, a sleeve rotates about a relative axis and is fastened to a roll, in coaxial relation therewith. A curtain is rolled up on the roll. A barrel...
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6173825 |
Lift control device for a roller shade
A lift control device for a roller shade includes a support rod having one end containing an insert socket, a spring mounted on the support rod, a roller cap rotatably mounted on the support rod...
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6167961 |
Small diameter run in whipstock and method for setting in large diameter casing
A whipstock assembly 10 for setting within a casing C on an anchor A diverts a cutting mill M to cut a window in the casing. The whipstock assembly is passed through a restriction positioned above...
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6164428 |
Wrap spring shade operator
A shade positioning system which employs a wrap spring clutch system includes a shade operator, a shade roller, and an idle end bracket for supporting the shade roller when mounted. The shade...
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6158563 |
Winding mechanism
A winding mechanism for an architectural covering such as a blind or shade in which a fixed shaft 10,110 is surrounded by an inner sleeve 16,116 and an outer sleeve 22,122. A one way clutch 20,32...
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6138740 |
Bearing structure for vertical blinds and roller shades
An improved bearing mechanism with both a relative larger axial force adjustment mechanism and a relatively smaller axial force adjustment mechanism, works in conjunction with the control rod of a...
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6112800 |
Window treatment safety clutch
A safety clutch is provided for operating a window treatment having a headrail, a bottomrail and a window covering material extending therebetween. The safety clutch is mounted on a movable frame...
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6076591 |
Locking device for curtains, awnings and the like
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5983972 |
Bearing structure for vertical blinds and roller shades
An improved bearing mechanism works in conjunction with the control rod of a vertical blind system or a roller shade system to provide superior bearing and load handling capability. A conical bore...
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5927370 |
Release brake shade operator
A release brake shade operator for a window covering has a stationary member, a movable member movable relative to the stationary member, and a hub which is movable relative to the stationary...
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5887637 |
Aperture covering system
A covering system for apertures, such as windows, has a cross bar that is slidably mounted between a pair of tracks. Each end of the cross bar is connected to a belt that circulates in its...
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5875829 |
Bearing structure for vertical blinds and roller shades
An improved bearing mechanism works in conjunction with the control rod of a vertical blind system or a roller shade system to provide superior bearing and load handling capability. A conical bore...
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5507374 |
Clutch controlled roller shade mechanism with integral overrunning ratchet
A bi-directional sprang clutch further including a ratchet and pawl so as to permit substantial torque to be transmitted to the shade roller only in one direction. In the other direction, the...
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5488983 |
Roller assembly for curtains and the like
A roller assembly for curtains and the like includes a rod jacket (1) on which the curtain is wound, a plate wheel (5) , a fixed shaft (2) , a chain wheel (3) , plates (6) and a spring (7). The...
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5443109 |
Window shade drive
The present invention pertains to a window shade drive with an automatically acting coupling, which has friction surfaces and is arranged between a stationary component (9) and a driving member (3)...
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5375643 |
Spring clutch assembly with reduced radial bearing forces
A spring clutch assembly with reduced radial bearing forces is described. The clutch includes a shaft, at least first and second helically wound axially mounted springs for making frictional...
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5361822 |
Shade operator
An operator for a window or like shade serves to turn a shade roller to a new desired position as the result of a torque applied from a manually operable source, such as a chain operated wheel. The...
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4848522 |
Safety device to prevent accidental unwinding of a rolling shutter or rolling overhead door wound on a shaft
A safety device for preventing accidental unrolling of a rolling shutter or overhead door comprising a cogwheel which has uniformly distributed on the circumference opening outward for containing...
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4779662 |
Shade operator
A shade operator includes a drive unit having a central stud forming the axis of rotation for the shade roller. A manually operable pulley is mounted on the stud, and is engageable with a coil...
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4727919 |
Safety and emergency actuator device for a concertina type door
A counterweight (12) provided at the end of a shaft (8) for winding up the door-raising belts (3) of a concertina type door. The counterweight (12) is designed to open the door to a fraction of its...
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4705148 |
Clutch brake assembly
A clutch brake assembly which may be used for roll up awnings and the like which will allow the roller on which the awning is rolled to freely rotate in one direction and be locked against rotation...
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4534396 |
Roller shade return mechanism
A roller shade return mechanism comprises a rotary roller shade rod (1) which is rotatably mounted in relation to a non-rotary member (4) carrying a profiled pin (5) to be received in a roller...
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4525946 |
Roller apparatus for a flexible web
A roller apparatus is provided for a flexible web such as a map, chart, window shade or the like which is provided on at least one free margin thereof with a rigid, elongated holder element of...
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RE31793 |
Window shade roller assembly
A shade roller having a chain operated mechanism at one end thereof for controlling the position of the shade on the window, and means for maintaining the chain operated mechanism against a bracket...
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4424851 |
Screen-operating device for use in a roller blind
A screen-operating device for use in a roller blind having a braking mechanism consisting a brake-drum secured to a bracket, a coil spring fitted on the brake-drum, a disk loosely mounted on the...
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4323105 |
Window shade roller assembly
A shade roller having a chain operated mechanism at one end thereof for controlling the position of the shade on the window, and means for maintaining the chain operated mechanism against a bracket...
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4223714 |
Window shade roller assembly
A shade roller having a chain operated mechanism at one end thereof for controlling the position of the shade on the window, and means for maintaining the chain operated mechanism against a bracket...
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4060860 |
Braking system for motorized swimming pool covers
A braking system has been designed for controlling the rotational momentum of a cover collecting drum during the extention and retraction sequence of a motorized swimming pool cover apparatus. The...
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4042075 |
Mounting and brake assembly for roller blind
A mounting assembly for a roller blind comprises a housing in which is rotatable a drive wheel by a flexible member such as a chain. A roller blind is connected to a shaft which carries this drive...
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3456710 |
ADJUSTABLE WINDOW SHADE
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3211212 |
Springless shade roller
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3179160 |
Magnetically operated shade roller
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3104700 |
Magnetically retained window shade roller
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2828429 |
Device for operating rolling blinds
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2708967 |
Springless window shades
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2579690 |
Fireplace screen
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2559306 |
Window shade assembly
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2515708 |
Window screen
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2445452 |
Window shade roller
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2343369 |
Window black-out shield
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2341440 |
Shade
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2166745 |
Screen control
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2152936 |
Flexible blind of the roller type
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2114568 |
Shade roller operating means
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